More than 2 million Americans have glaucoma and half don't even realize they do. If left untreated, it can lead to blindness. Now, a tiny new implant could prevent blindness from occurring. CBS 2's ... more 
More than 2 million Americans have glaucoma and half don't even realize they do. If left untreated, it can lead to blindness. Now, a tiny new implant could prevent blindness from occurring. CBS 2's Dr. Max Gomez reports. less 
1 / 6
CBS Local
Thu, Apr 17, 2014 6:33 PM EDT